Device for the automatic application of antiseptic insulating ribbons to the edges of drinking glasses, cups, and the like



1, 1939. F. sATRAGNb ,7

DEVICE FOR THE AUTOMATIC APPLICATION OF ANTISEPTIC INSULATING RIBBONS TOTHE EDGES OF DRINKING GLASSES, CUPS, AND THE LIKE Filed Feb. 4, 1958 vvw/v 1 I'NVENTOR FEANC ESCO SATRAGNO AT TOR N EYS Patented Aug. 1, 1939UNITED STATES PATENT OFFICE Francesco Satragno, Rome, Italy ApplicationFebruary 4, 1938, Serial No. 188,814 In Italy July 6, 1937 6 Claims.

The object of the present invention is a device for the automaticapplication of antiseptic insulating ribbons on the edge of drinkingglasses, cups and the like.

According to the invention, the device is oper ated by means of therotation of a controlling crank in one direction against the tension ofa retaining return spring to accomplish the following successive steps;the advancement of the protecting ribbon on the edge of the container,the bending of the side edges of the ribbon over the inner and outersurfaces of the container, and the cutting of said ribbon prior to itsapplication on to said edge. The device comprises a stock reel fromwhich the ribbon unfolds, a number of adjusting and guide rollers, acarrying roller operated by the controlling crank, a cutter for cuttingthe ribbon, and a device for bending the ribbon over the edge of thecontainer and apply it to the exterior and interior surfaces thereto.

The controlling crank for this purpose has the shape of an angle lever,one arm of which is operated by hand, while the other acts against anoscillating lever of the device for bending and applying the ribbon.During the free return stroke, produced by the tension of the returnspring, one of the arms of the angle lever strikes against the movableknife blade of a cutter, which is also provided with a spring, thuscutting the ribbon. The device for bending the ribbon comprises aplurality of cooperating pairs of rollers, each of which comprises aroller having a concave periphery and a roller having a convexperiphery, both concentric with the periphery of the container. Betweensaid rollers the container is vertically introduced from below. Therollers have varying dimensions, and the curvatures of their contractingsurfaces may vary according to the size of the container on which theribbon is to be applied.

The annexed drawing shows schematically and by way of example oneembodiment of the invention.

Figure 1 is a side elevation of a device according to the inventionshowing the various elements in the position of rest, and

Figure 2 is a similar view showing the position of the different partswhen the strip is bent over the edge of the glass and pressed againstthe exterior and interior surfaces thereof.

A ribbon l unfolds from a stock reel, not shown in the drawing, andpasses between two small guide rollers 3 and 4. It is then engaged bythe carrying roller 5 which may be rotated by means of the crank l andadvanced along the table 5.

In order to prevent the ribbon from being pushed backward along thetable the crank l is provided with a pawl 8 engaging a ratchet wheelintegral with the rubber carrying roller ii, against which the ribbon iis pressed by means of roller 25. The crank l is actuated against thetension of a return spring it, which is distended when crank l is causedto be rotated towards the left hand side of the drawing as shown in Fig.2. The crank l has the shape of an angle lever having a pivot pin ii,about which it may rotate carrying with it the arm 52, the arm E2 in thecourse of its rotation, strikes against a counterweight l3 of the ribbonbending lever, which is pivoted at an intermediate point Hi. The otherarm iii of this lever carries the roller l6 having a convex rim, adaptedto penetrate into the container, and bend one end of the ribbon over theinner side thereof. This lever is normally placed in the position shownin Fig. l, owing to the action of the counterweight l3 and of the returnspring H which is iulcrumed to the pivot pin I4. Another spring is,shown distended in Fig. 1, is connected to the lower arm of the leverand holds a movable lever is which is pivoted to the pivot pin 26against a stop N. This pivot pin as well as the stop 29 is mounted onthe frame in any suitable manner, This lever i9 is provided in its lowerportion with the roller 22 having a concave contact surface engaging theexterior surface of the container. By rotating the crank 1 towards theleft hand side, the arm I2 strikes against the counterweight i3, and theroller I6 bends and applies the ribbon on the edge of the container.When the crank l returns to its normal position owing to the returnretaining spring l0 previously distended, lever l2 strikes against theknife t t provided with spring 28, which descending between suitableguides, cuts the ribbon i. A small roller 25 presses from the undersidethe ribbon l against the carrying roller 6.

The operation of the device is self evident, and it must be understoodthat a number of modifications may be introduced to its differentelements without departing from the main principle of the invention. Itis also to be understood that the sequence of the glasses or containersone after the other between the ply rollers 22 and It must besynchronous with the approach of said rollers towards each other, withthe cutting device, and with the unfolding rate of the ribbon.

I claim:

1. In a mechanism for applying a sanitary edging strip to the edge of adrinking glass, cup, container and the 1ike, a pair of rollers tooperate across the edge of said glass to bend and apply the edging stripupon the edge of said glass, a cutter to out said edging strip uponapplication to said glass, lever means to separate said rollers prior toinsertion of an edge of a glass therebetween and to bring said rollerstogether after insertion of the edge of a glass therebetween to applysaid edging strip thereto and intermittent feed means to feed saidedging strip intermite tently to said pair of rollers and to said cutterfor application to the edge of said glass.

2. In a mechanism for applying a sanitary edging strip to the edge of adrinking glass, cup, container and the like, a pair of rollers tooperate across the edge of said glass to bend and apply the edging stripupon the edge of said glass, a cutter to out said edging strip uponapplication to said glass, lever means to separate said rollers prior toinsertion of an edge of a glass therebetween and to bring said rollerstogether after insertion of the edge of a glass therebetween to applysaid edging strip thereto and intermittent feed means to feed saidedging strip intermittently to said pair of rollers and to said cutterfor application to the edge of said glass, said intermittent feed meansincluding a second pair of rollers by which said edge strip is gripped,a pawl and ratchet combination for turning one of said rollers to causea feed of said edging strip toward said cutter and said first named pairof rollers and a hand lever to operate said pawl and ratchet.

3. In a mechanism for applying a sanitary edging strip to the edge of adrinking glass, cup, container and the like, a pair of rollers tooperate across the edge of said glass to bend and apply the edging stripupon the edge of said glass, a cutter to out said edging strip uponapplication to said glass, lever means to separate said rollers prior toinsertion of an edge of a glass therebetween and to bring said rollerstogether after insertion of the edge of a glass therebetween to applysaid edging strip thereto and intermittent feed means to feed saidedging strip intermittently to said pair of rollers and to said cutterfor application to the edge of said glass, said intermittent feed meansincluding a second pair of rollers by which said edge strip is gripped,a pawl and ratchet combination for turning one of said second pair ofrollers to cause a feed of said edging strip toward said cutter and saidfirst pair of rollers, a hand lever to operate said pawl and cause saidpawl to move said ratchet and an actuator moving with said pawl tooperate said lever means to cause it to bring said rollers together andto operate said cutter.

4. In a mechanism for applying a sanitary edging strip to the edge of adrinking glass, cup, container and the like, a pair of rollers tooperate across the edge of said glass to bend and apply the edging stripupon the edge of said glass, a cutter to out said edging strip uponapplication to said glass, lever means to separate said rollers prior toinsertion of an edge of a glass therebetween and to bring said rollerstogether after insertion of the edge of a glass therebetween to applysaid edging strip thereto and intermittent feed means to feed saidedging strip intermittently to said pair of rollers and to said cutterfor application to the edge of said glass, said rollers beingrespectively shaped so as to conform to the exterior and interiorsurfaces of the edge of the glass to which the edging strip is to beapplied.

5. In an apparatus for applying a sanitary strip to the edge of adrinking glass and the like, a pair of oscillatory levers having glasscontacting members adapted to engage the exterior and interior surfaces,respectively, of the glass, a counterweight carried by one of saidlevers to keep them normally separated and resilient means for bringingthem together, roller means for feeding a continuous strip of adhesivematerial between the edge of the glass and said glass contactingmembers, said roller means being rigidly connected to a ratchet, anactuating lever carrying a pawl mechanism for rotating said ratchet inone direction, said actuating lever having an extension to engage saidcounterweight during the strip-feeding movement to bring said glasscontacting members together, and means actuated by said extension duringits return motion for severing said strip.

6. In an apparatus for applying a sanitary strip to the edge of adrinking glass and the like, a pair of oscillatory levers having glasscontacting members adapted to engage the exterior and interior surfaces,respectively, of the glass, a counterweight carried by one of saidlevers to keep them normally separated and resilient means for bringingthem together, roller means for feeding a continuous strip of adhesivematerial between the edge of the glass and said glass contactingmembers, said roller means being rigidly connected to a ratchet, anactuating lever carrying a pawl mechanism for rotating said ratchet inone direction, said actuating lever having an extension to engage saidcounterweight during the strip-feeding movement to bring said glasscontacting members together, and means actuated by said extension duringits return motion for severing said strip, said glass contacting membersconsisting of a pair of rollers respectively having concave and convexcontacting surfaces to conform to the portion of the edge of the glassto which said strip is applied.

FRANCESCO SATRAGNO.

